Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/16373#discussion_r105586710
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/command/tables.scala ---
@@ -642,18 +644,34 @@ case class ShowTablesCommand(
// instead of calling tables in sparkSession.
val catalog = sparkSession.sessionState.catalog
val db = databaseName.getOrElse(catalog.getCurrentDatabase)
- val tables =
- tableIdentifierPattern.map(catalog.listTables(db,
_)).getOrElse(catalog.listTables(db))
- tables.map { tableIdent =>
- val database = tableIdent.database.getOrElse("")
- val tableName = tableIdent.table
- val isTemp = catalog.isTemporaryTable(tableIdent)
- if (isExtended) {
- val information =
catalog.getTempViewOrPermanentTableMetadata(tableIdent).toString
- Row(database, tableName, isTemp, s"${information}\n")
- } else {
- Row(database, tableName, isTemp)
+ if (partitionSpec.isEmpty) {
+ // Show the information of tables.
+ val tables =
+ tableIdentifierPattern.map(catalog.listTables(db,
_)).getOrElse(catalog.listTables(db))
+ tables.map { tableIdent =>
+ val database = tableIdent.database.getOrElse("")
--- End diff --
shall we get the current database?
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